Home / 97,787.10-146,685.45-51,131.10

Finding the Fourth Proportional to 97,787.10, 146,685.45 and 51,131.10

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Solution

The fourth proportional to 97,787.10, 146,685.45 and 51,131.10 is: 76,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,787.10 : 146,685.45 = 51,131.10 : x
  2. Step 2: Convert to fraction form
    97,787.10/146,685.45 = 51,131.10/x
  3. Step 3: Cross multiply
    97,787.10x = 146,685.45 × 51,131.10
  4. Step 4: Simplify right side
    97,787.10x = 7,500,188,412.50
  5. Step 5: Solve for x
    x = 7,500,188,412.50/97,787.10
  6. Step 6: Final answer
    x = 76,699.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.